38616329 has 2 divisors, whose sum is σ = 38616330. Its totient is φ = 38616328.

The previous prime is 38616289. The next prime is 38616349. The reversal of 38616329 is 92361683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35081929 + 3534400 = 5923^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 38616329 - 2⁸ = 38616073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38616292 and 38616301.

It is not a weakly prime, because it can be changed into another prime (38616349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19308164 + 19308165.

It is an arithmetic number, because the mean of its divisors is an integer number (19308165).

Almost surely, 2^38616329 is an apocalyptic number.

It is an amenable number.

38616329 is a deficient number, since it is larger than the sum of its proper divisors (1).

38616329 is an equidigital number, since it uses as much as digits as its factorization.

38616329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 38616329 is about 6214.2038106261. The cubic root of 38616329 is about 338.0054181408.

The spelling of 38616329 in words is "thirty-eight million, six hundred sixteen thousand, three hundred twenty-nine".